20157201218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1\times {\mathrm{4297}}^1$

素因数の和:4767

約数の個数: 64

約数和(自身を含む): 38263615488

約数和(自身を除く): 18106414270

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 367, 581, 734, 913, 1162, 1826, 2569, 4037, 4297, 5138, 6391, 8074, 8594, 12782, 28259, 30079, 30461, 47267, 56518, 60158, 60922, 94534, 213227, 330869, 335071, 356651, 426454, 661738, 670142, 713302, 1576999, 2345497, 2496557, 3153998, 3923161, 4690994, 4993114, 7846322, 11038993, 17346989, 22077986, 27462127, 34693978, 54924254, 121428923, 130890917, 242857846, 261781834, 916236419, 1439800087, 1832472838, 2879600174, 10078600609, 20157201218]

約数ペア:

[(1, 20157201218), (2, 10078600609), (7, 2879600174), (11, 1832472838), (14, 1439800087), (22, 916236419), (77, 261781834), (83, 242857846), (154, 130890917), (166, 121428923), (367, 54924254), (581, 34693978), (734, 27462127), (913, 22077986), (1162, 17346989), (1826, 11038993), (2569, 7846322), (4037, 4993114), (4297, 4690994), (5138, 3923161), (6391, 3153998), (8074, 2496557), (8594, 2345497), (12782, 1576999), (28259, 713302), (30079, 670142), (30461, 661738), (47267, 426454), (56518, 356651), (60158, 335071), (60922, 330869), (94534, 213227)]